Creating or uploading script causes java.lang.NoSuchMethodError: org.eclipse.jgit.storage.file.FileRepositoryBuilder.build()Lorg/eclipse/jgit/storage/file/FileRepository. The script is not saved.

Discovered by selenium test suite[1].

[1] https://jenkins.ci.cloudbees.com/job/selenium-tests/183/consoleFull

Reproducing features:
features/scriptler_plugin.feature:7 # Scenario: Run new script
features/scriptler_plugin.feature:14 # Scenario: Run new parameterized script
features/scriptler_plugin.feature:23 # Scenario: Delete script
features/scriptler_plugin.feature:32 # Scenario: Run script on particular slave
features/scriptler_plugin.feature:41 # Scenario: Run script on master
features/scriptler_plugin.feature:50 # Scenario: Run script on all nodes
features/scriptler_plugin.feature:59 # Scenario: Run script on all slaves
features/scriptler_plugin.feature:70 # Scenario: Create and run parameterized test
features/scriptler_plugin.feature:83 # Scenario: Override default parameters